#include <IRremote.h>
#define IR_RECEIVE_PIN 8

#define IR_BUTTON_1 48
#define IR_BUTTON_2 24
#define IR_BUTTON_3 122
#define IR_BUTTON_PLAY_PAUSE 168

#define RED_LED_PIN 12
#define GREEN_LED_PIN 11
byte redLedState = LOW;
byte greenLedState = LOW;

void setup() {
  Serial.begin(9600);
  IrReceiver.begin(IR_RECEIVE_PIN);
   pinMode(RED_LED_PIN, OUTPUT);
  pinMode(GREEN_LED_PIN, OUTPUT);
}

//https://roboticsbackend.com/arduino-ir-remote-controller-tutorial-setup-and-map-buttons/
void loop() {
  if (IrReceiver.decode()) {
    IrReceiver.resume();
    int command = IrReceiver.decodedIRData.command;
    switch (command) {
      case IR_BUTTON_1: {
        Serial.println("Pressed on button 1");
        break;
      }
      case IR_BUTTON_2: {
        Serial.println("Pressed on button 2");
        
        redLedState = (redLedState == LOW) ? HIGH : LOW;
        digitalWrite(RED_LED_PIN, redLedState);
        break;
      }
  
      case IR_BUTTON_3: {
        Serial.println("Pressed on button 3");
        break;
      }
      case IR_BUTTON_PLAY_PAUSE: {
        Serial.println("Pressed on button play/pause");
        greenLedState = (greenLedState == LOW) ? HIGH: LOW;
        digitalWrite(GREEN_LED_PIN, greenLedState);
        break;
      }
      default: {
        Serial.println("Button not recognized");
      }
    }
  }
}